StackOverflow.com has long had one of the worst search-engines I’ve ever seen. It’s clearly a simple thing hacked together. It generally doesn’t work, and most of the people I know use google isntead, and rely upon Google to collage all the stackoverflow results together.
Occasionally, you have search terms where Google gives you lots of non-programming hits (e.g. “iphone video (something)”. So the above method fails, and you have to use the appalling SO search engine.
Then you get this, because the search engine is so poor that it often ignores search-terms, so you have to creatively re-search and experiment to find the results you need: